1312056445524 has 96 divisors (see below), whose sum is σ = 3516957480960. Its totient is φ = 376516972800.

The previous prime is 1312056445507. The next prime is 1312056445529. The reversal of 1312056445524 is 4255446502131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312056445529) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6274984 + ... + 6480704.

It is an arithmetic number, because the mean of its divisors is an integer number (36634973760).

Almost surely, 2^{1312056445524} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1312056445524, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1758478740480).

1312056445524 is an abundant number, since it is smaller than the sum of its proper divisors (2204901035436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1312056445524 is a wasteful number, since it uses less digits than its factorization.

1312056445524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208301 (or 208299 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 42.

The spelling of 1312056445524 in words is "one trillion, three hundred twelve billion, fifty-six million, four hundred forty-five thousand, five hundred twenty-four".